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Matlab Semilogy Not Working, Learn more about semilogy, plot, qam, modulation MATLAB However, if the axesholdstate is'on'before you callsemilogx, the property does not change, and thex-coordinates might display on a linear scale. I have a CSV file which includes three columns. Only the last figure appears in semilogy h = figure(2); for k = 1:length(T0) subplot(2,2,k); semil For example, define y as a 5-by-3 matrix and pass it to the semilogy function. The semilogy function is plotting the y-axis on a logarithmic scale, but I think you can't tell because the data points are not separated by any significant amount. semilogy (ax,)// It generates the line in the axes specified by ax instead of in It worked, though I had to manually convert my values into log scale and then use the plot command instead of semilogy. Learn more about semilogy, plot, qam, modulation MATLAB This MATLAB function plots x- and y-coordinates using a linear scale on the x-axis and a base-10 logarithmic scale on the y-axis. file If Y contains complex numbers, semilogy plots the imaginary part of Y versus the real part of Y. semilogy (Y,LineSpec) I have a problem with semilogx command. Just out of curiousity, which version of MATLAB are you using that the above is not documented? I'm supposed to submit a script to uni and one of the questions asked to plot Temperature against Time on a logarithmic scale but for some reason I can't get it to work. The problem is that the plot needs to have a slightly elongated aspect ratio, and when I switch the aspect ratio the gridlines disappear. You cannot mix log coordinates and linear coordinates in the same axes. Learn more about semilogx, bode, bodeplot, control systems produces this nice figure, with the FaceAlpha feature working The same code but changing plot with semilogx in both commands produces with I am working with this code for two adjacent semilog subplots (y axis is in log-scale, x axis is a time series). **kwargs All parameters supported by This is incorrect. This guide teaches you how to create stunning logarithmic plots with ease and precision. . I basically want to read the first two columns and then draw a semilogy plot with the values. Try semilogx () live — edit code, see output instantly. Fortunately you can just set the Problem in plotting using semilogx () function. I searched for the existing questions and answers on the community, but it doesn't seem to work and I only get the markers plotted but they are not joined by a line. When making the semilogx plot it seems like part of the data is not plotted, the maximum y value in the plot is now ~ I'm having trouble plotting multiple figures using subplot and semilogy. See Axes. One is much smaller than the other so I get why we need the semilogy. I tired different method to have y-axis in log scale but all of them are having linear results. CSDN问答为您找到semilogy绘图数据异常如何解决？相关问题答案，如果想了解更多关于semilogy绘图数据异常如何解决？ 青少年编程 技术问题等相关问答，请访问CSDN问答。 If you attempt to add a loglog, semilogx, or semilogy graph to a linear axis mode plot with hold on, the axis mode will remain as it is and the new data will plot as linear. Any help appreciated. I have been trying to plot a cell array using 'arrayfun', and it works perfectly when I do a 'plot', but it does not seem to work for 'semilogy'. Learn more about semilogy, plot, qam, modulation MATLAB I am plotting x-y plot using plot function. Hi I have got some half errorbars plotted on the semilogx. Learn more about semilogy, plot, qam, modulation MATLAB Here is my code in MATLAB hold on does not work for semilogy, it only plots the second graph. I have a problem with semilogx command. Only the last figure appears in semilogy h = figure(2); for k = 1:length(T0) subplot(2,2,k); semil If you do not specify a color when plotting more than one line, semilogx and semilogy automatically cycle through the colors and line styles in the order specified by the current Axes ColorOrder and unable to plot semilogy properly. Learn more about plotting I tried multiple solutions offered, but once I make the x-axis logarithmic, the shading disappears. If you do not specify a color when plotting more than one line, semilogx and semilogy automatically cycle through the colors and line styles in the order specified by the current Axes ColorOrder and It sets property values for all the charting lines created by semilogy. I want all the plots to figure on one same figure. 31 Learn more about semilogx function and graphing help with nan MATLAB Semilogy Plot not showing minor tick marks. This guide provides effortless commands and tips to enhance your visualizations. Altough the scale on x-axis is linear and not lo Printing semilogy and loglog and the gca indicate that no log x- or y-scale ar set XScale: 'linear' YScale: 'linear' Do I have to go into the gca everyttime I would like If you do not specify a color when plotting more than one line, semilogx and semilogy automatically cycle through the colors and line styles in the order specified by the current axes ColorOrder and When you specify only one coordinate vector, semilogx plots those coordinates against the values 1:length(y). I get the result that I need by 文章浏览阅读1. The resulting plot contains 3 lines, each of which has x -coordinates that range from 1 to 5. For example, define y as a vector of 5 values between 0 and 4 0. Axial figure scatter(x,x3,' I'm having trouble plotting multiple figures using subplot and semilogy. 3. Plotting semilogy on two axes covering the same Learn more about matlab, plotting, semi-log MATLAB The semilogx function plots x-coordinates on a log scale by setting the XScale property of the axes to 'log'. Learn more about grapgh, semiology, condition numbers, condition, numbers, plot, cond, norm I want to use the semilogy plot to only have a log plot on the y axis. The following code has worked for one figure: % G vs. But they seem to not work with my program. Also please show thecomplete error message: this meansall of the red Problem with plotting a semilog function. 错误使用semilogx `semilogx` 是 MATLAB 中用于绘制对数 X 轴线图的函数，当你尝试不正确地使用它时，可能会遇到以下几种常见问题： 1. The MATLAB and Hey, I sometimes notice that MATLAB refuses to plot in a logarithmic x- or y-scale, even though there are no zero or negative values present in the plotdata. But once I have plotted with semilogx I am unable to revert I'm having trouble plotting multiple figures using subplot and semilogy. the axis ranges are I am working on a MATLAB script that iterates over several values and the code is attached. CSDN问答为您找到matlab2016b中，为什么使用semilogy指令，画的图纵坐标不是对数坐标？相关问题答案，如果想了解更多关于matlab2016b中，为什么使用semilogy指令，画的图纵坐标 This MATLAB function plots x- and y-coordinates using a base-10 logarithmic scale on the x-axis and a linear scale on the y-axis. 05 and log 0, so these data are left out. I would like the region of the plots below y = 10^-3 to be shaded in gray, but I This MATLAB function plots x- and y-coordinates using a linear scale on the x-axis and a base-10 logarithmic scale on the y-axis. semilogy (ax,)// It generates the line in the axes specified by ax instead of in the current axes (gca). I have the following loglog () and semilogy () and semilogx () have no effect if "hold on" is already in effect for the axes. 4 (R2007a) to include the following statement in the help for LOGLOG, SEMILOGX/SEMILOGY function: This plot in the format semilogy (X,Y) plots x- and y-coordinates using a linear scale on the x-axis and a base-10 logarithmic scale on the y-axis. MATLAB Answers A problem with section of code days after entered 0 Answers how to insert multiple data sets in one plot 1 Answer Contour plot not working (but contour3 plot does work) loglog () and semilogy () and semilogx () have no effect if "hold on" is already in effect for the axes. I have been asked to plot the temperature of a substance against time. Only the last figure appears in semilogy h = figure(2); for k = 1:length(T0) subplot(2,2,k); semil Problem Plotting with Semilogy function. However, if the axes hold state is 'on' before you call semilogx, the property does If you attempt to add a loglog, semilogx, or semilogy graph to a linear axis mode plot with hold on, the axis mode will remain as it is and the new data will plot as linear. unable to plot semilogy properly. To work around this issue, you can create a blank figure, use the HOLD ON loglog () and semilogy () and semilogx () have no effect if "hold on" is already in effect for the axes. does not work for figures generated by semilogy, though I do not really understand why, even after trying to read up on handle graphics. Of course, since there aren't the same number of ticks on the LH and RH axes you'll have the resulting "extra" tick on the RH axis corresponding to the location of the intermediaries on the left- When plot values cover more than 1 order of magnitude, it can be more useful to create a logarithm plot rather than a standard lineat plot. Will really appreciate some help here. The data that it I'm trying to graph prints correctly in the workspace and the graph prints with the correct axis labels but my data unable to plot semilogy properly. However, if the axes hold state is 'on' before you call semilogx, the property does This MATLAB function plots the circuit parameter circuitPara from the RFCKT or RF data object h using a logarithmic scale for the x-axis. And The problem you are having here is that semilogy works like plot does and requires arrays of data (one for each axis) to plot a line between them. The data is plotted correctly but the minor ticks and grid are wr If you do not specify a color when plotting more than one line, semilogx and semilogy automatically cycle through the colors and line styles in the order specified by the current axes ColorOrder and Hello everyone, I need to draw multiple lines using semilogy() with unknown input size. Is there a way to avoid this and show the line going through zero. Please help this semilogy error message. In semilogx plot is 20hz to 30MHz but in loglog i am not able to plot from 20Hz but it is If you attempt to add a loglog, semilogx, or semilogy graph to a linear axis mode plot with hold on, the axis mode will remain as it is and the new data will plot as linear. Correct use of Semilogx. semilogy seems to do what I expect in Matlab R2016b, but I obviously can't repeat your code as I don't have your data. e. Plotting semilogy on two axes covering the same range, one side is log the other is not. If you attempt to add a loglog, semilogx, or semilogy graph to a linear axis mode plot with hold on, the axis mode will remain as it is and the new data will plot as linear. If I plot each value of r individually, but within the script Printing semilogy and loglog and the gca indicate that no log x- or y-scale ar set XScale: 'linear' YScale: 'linear' Do I have to go into the gca everyttime I would like In the PLOTYY function I specify ‘semilogy’ as an argument to produce the graph with logarithmic scales for the y-axis. I am creating 4 total plots, 2 per figure, using the same data; the first plot is a regular plot (using subplot and plot commands in MatLab R2013b); the second plot is a semilogy plot of the same This MATLAB function plots x- and y-coordinates using a linear scale on the x-axis and a base-10 logarithmic scale on the y-axis. How to fix the semilogx function for figure 5. in this example %% Example 1: Plotting lines using various syntax options % % Master the art of visualizing data with semilogy matlab. Learn more about plotting, semilog, osx, r2016a MATLAB This MATLAB function plots the circuit parameter circuitPara from the RFCKT or RF data object h using a logarithmic scale for the x-axis. For some reason it doesn't see semiology. Your code works already in octave (and I don't have matlab at this computer), but I think the problem is that you do hold on before the first plot, hence preventing the initial axis to be created. % code Time = [0;6 How to use Semilogy in MATLAB. If you initiate the figure with figure and hold on commands before the semilogy command, the figure remains with linear axes. example semilogy I am trying to plot using semilog and want to plot BER in log scale but its not working. % code Time = [0;6 MATLAB Answers A problem with section of code days after entered 0 Antworten how to insert multiple data sets in one plot 1 Antworten Contour plot not working (but contour3 plot does As you pointed out the semilogx function cannot work with x is 0. The first curve ranges from 10^-4 to 10^-1 and the second curve ranges the values for s are going to change each time my loop gets called. Learn more about plotting, semilogy, tick marks, log plots I don't see any pictures linked. Thank you in advance! Sign in to comment. This concise guide unveils essential commands to elevate your data visualization skills. , untitled01) in the preferred directory of a computer. **参数错误**：如果你没有提供正确的参数或提供 I want to create a multiple graph using a logarithmic scale on the x-axis, to be able to see the differences between the different values on y-axis. MATLAB Answers A problem with section of code days after entered 0 Answers how to insert multiple data sets in one plot 1 Answer Contour plot not working (but contour3 plot does work) I am trying to get 5 different semi log x figures for 5 data sets (and each figure has a number of lines on its plot). 0 (R14) when using the SEMILOGY function on data that is spread over a very small range. file loglog () and semilogy () and semilogx () have no effect if "hold on" is already in effect for the axes. In your situation it would be good to Hey, I sometimes notice that MATLAB refuses to plot in a logarithmic x- or y-scale, even though there are no zero or negative values present in the plotdata. I am working on a numerical algorithm and I want to plot the error for 5 different shape parameters of my function. Everything seems to work fine except my legend is only showing the color red for all 5 of my semilogy() plots and I am Printing semilogy and loglog and the gca indicate that no log x- or y-scale ar set XScale: 'linear' YScale: 'linear' Do I have to go into the gca everyttime I would like I'm trying to use "semilogx ()" in my code but it's not working. Download and share free MATLAB code, including functions, models, apps, support packages and toolboxes MATLAB Answers Deletting X and Y axes ticks 2 Answers imagesc hide one axis 1 Answer how to retain the label of the tick and add a new label at any specified tick value 2 Answers I would like to plot a semi-log plot with gridlines. The semilogx function plots x-coordinates on a log scale by setting the XScale property of the axes to 'log'. I'm trying to understand semilogy function which is normally used for plotting data in MATLAB. Learn more about semilogx, cubic splines, shaded area This MATLAB function plots x- and y-coordinates using a linear scale on the x-axis and a base-10 logarithmic scale on the y-axis. For both subplots, add a line that marks the distance from the earth to the moon. However, if the axes hold state is 'on' before you call semilogx, the property does I am working on a MATLAB script that iterates over several values and the code is attached. I get the result that I need How to fix the semilogx function for figure 5. below is the function i made and a SEPARATE code file that Hi ! I have been working with my code, earlier it plotted fine the BER curve with semilogy but now when I added another case to semilogy it plots the curve fine but the it doesn't show the grid Semilogy Plot not showing minor tick marks. Please see the examples below. Taking the log of a negative number results in an imaginary number-this is probably not the behavior you are looking for in this case. I do this and the graphs it If you attempt to add a loglog, semilogx, or semilogy graph to a linear axis mode plot with hold on, the axis mode will remain as it is and the new data will plot as linear. 文章浏览阅读3. Here we discuss the introduction and working with semilogy in matlab with syntax and examples. What I tried: hold on, doesnt work because it's get me ugly formatation: cut off title, and others. The plot works well when I don't enter any data (i. Cooperation will be Hi there, I have code here to analyse some data, I need two of the plots in a semi-log scale on the x-axis. Learn more about plotting, semilogy, tick marks, log plots Semilogy Plot not showing minor tick marks. I suppose it can therefore also not interpolate between log 0. Instead, MATLAB chooses to plot in lin I try to plot from for loop and I succeed in it (in small program) but when i try with a larger program, I get the following error: " {Error using ==> semilogy Not enough input arguments. Only the last figure appears in semilogy h = figure(2); for k = 1:length(T0) subplot(2,2,k); semil Switching to plot instead of semilogy is not working for me, and either way I would like the plot to be in log scale. Learn more about semilogx MATLAB, MATLAB and Simulink Student Suite This is incorrect. Hello ,i am fairly new to MATLAB, graphs not showing up with attachment of m. Learn more about semilogx, cubic splines, shaded area This MATLAB function plots x- and y-coordinates using a base-10 logarithmic scale on the x-axis and a linear scale on the y-axis. The semilogy () will make the y-axis This is caused by the way that the plot commands that work with a logarithmic scale choose the axis limits, when the lower or upper limit in the data points is an exact power of 10. I did try it with a semilogy plot but there was no effect, probably This plot in the format semilogx (X,Y) plots x- and y-coordinates using a base-10 logarithmic scale on the x-axis and a linear scale on the y-axis. I have tried most of the suggestions made to the previous loglog () and semilogy () and semilogx () have no effect if "hold on" is already in effect for the axes. Learn more about plotting, semilog, osx, r2016a MATLAB I have tried most of the suggestions made to the previous posts. set_yscale for details. Problem using semilogx plot command. Nathaniel H Werner 4 Jul 2019 1 Answer This is a guide to Semilogy Matlab. Learn more about plotting, semilogy, tick marks, log plots I have been working with my code, earlier it plotted fine the BER curve with semilogy but now when I added another case to semilogy it plots the curve fine but the it doesn't show the grid lines of semilogy. 问题描述 笔者最近在用 MATLAB 绘制失效概率随切坡角度变化的曲线时，需要用到 MATLAB 的 semilogy 命令绘制y轴对数坐标图，但是发现 semilogy 命令似乎不起作用，如下图所示 This is a guide to Semilogy Matlab. Instead, MATLAB chooses to Whenever I try to create a figure using the command semilogy, the figure opens up but it's a blank page and it doesn't give me the graph. Only the last figure appears in semilogy h = figure(2); for k = 1:length(T0) subplot(2,2,k); semil It sets property values for all the charting lines created by semilogy. I'm having trouble plotting multiple figures using subplot and semilogy. If Y contains complex numbers, semilogy plots the imaginary part of Y versus the real part of Y. 6k次，点赞14次，收藏6次。当MATLAB的loglog或semilogy函数不显示对数坐标时，可能是因为`holdon`语句的位置不当或者数据点差异过小。解决办法是将`holdon`语句移至loglog I have a problem with semilogx command. I have 1 bode plot (only the magnitude) and 2 semilogx plots. Quite simply, both plots are semilogx, although the range of x values isn't 10^0, 10^1, etc, as is on the bottom plot (which is what I desire), and the If you do not specify a color when plotting more than one line, semilogx and semilogy automatically cycle through the colors and line styles in the order specified by the current Axes ColorOrder and For the right subplot, use the semilogy function to plot on a semilog scale. If you move the hold command after the first call to semilogx, it should work The hold on command is the culprit you're issuing it before you plot, so the linear axis is being held throughout. Hi, I am Plotting attched csv in semilogx and loglog plot. Assume the distance from If you do not specify a color when plotting more than one line, semilogx and semilogy automatically cycle through the colors and line styles in the order The semilogy function is plotting the y-axis on a logarithmic scale, but I think you can't tell because the data points are not separated by any significant amount. semilogy does not appear anywhere in that code. If I plot each value of r individually, but within the script x=[1:. loglog () and semilogy () and semilogx () have no effect if "hold on" is already in effect for the axes. The data that it I'm trying to graph prints correctly in the workspace and the graph prints with the correct axis labels but my data Here is a sample code that seems to serve the purpose of creating two x axes (bottom and top) when plotting data with semilogy (or for that matter, other plot functions, such as plot): The work also had to be done by hand and my code is outputting all the numbers I got with the equations. Learn more about semilogx, cubic splines, shaded area Whenever I try to create a figure using the command semilogy, the figure opens up but it's a blank page and it doesn't give me the graph. I have to plot two different electrical RTG outputs on a log linear graph but am stumbling on the plot. Learn more about semilogx, cubic splines, shaded area The semilogx function plots x-coordinates on a log scale by setting the XScale property of the axes to 'log'. No MATLAB license needed. Please find the file of data attached. I am plotting two curves in different axes in the same figure with plotyy. I want to set only y-axis as log scale and x-axis as linear? How to do that? I used loglog function but it This MATLAB function plots x- and y-coordinates using a base-10 logarithmic scale on the x-axis and a linear scale on the y-axis. 1:40]; y=[2:. Problem with plotting a semilog function. I This is a bug in the documentation in MATLAB R13. This MATLAB function plots x- and y-coordinates using a base-10 logarithmic scale on the x-axis and a linear scale on the y-axis. I understand that its possibly because of negative/complex values. Learn more about semilogy, plot, qam, modulation MATLAB There is a bug in MATLAB 7. Whenever I try to create a figure using the command semilogy, the figure opens up but it's a blank page and it doesn't give me the graph. Learn more about semilogy, log unable to plot semilogy properly. 01:5. If you move the hold command after the first call to semilogx, it should work I have created an app that plots on UIAxes either with a plot command or semilogx command depending on a switch value. Is it working correctly for simpler data that doesn't involve all the file The point that is being ignored is the first, not the third. 9]; semilogy(x,y) These three lines give an unusable plot with linear minor ticks and log major ticks. This MATLAB function plots x- and y-coordinates using a linear scale on the x-axis and a base-10 logarithmic scale on the y-axis. How do I plot them using semilogy () in which the x-axis is the number of values in s, this case the number is 7. I am new to MATLAB and am just recently building a simple program. I am using Matlab R2019b Glad to hear it's working. 1k次。MATLAB的semilogy命令绘制y轴对数坐标图不起作用_matlab中的semilogy无效 This is documented in the documentation for the loglog function: "If you attempt to add a loglog, semilogx, or semilogy plot to a linear axis mode graph with hold on, the axis mode remains as This MATLAB function plots x- and y-coordinates using a base-10 logarithmic scale on the x-axis and a linear scale on the y-axis. I'm trying to use "semilogx ()" in my code but it's not working. g. The hold on command is the culprit you're issuing it before you plot, so the linear axis is being held throughout. This bug was fixed in MATLAB 7. MATLAB Answers problem with 2nd axis Yticks with plotyy and semilogy 1 Answer Simple Multiple Y axes with Scale, Pan, and Zoom Features 0 Answers Why do I not get any YTick marks To program in MATLAB, a script file can be created and saved with an appropriate name (e. The reason is that you are using a logarithmic x -axis, and the first point has x =0, so the logarithm is −∞. If you do not specify a color when plotting more than one line, semilogx and semilogy automatically cycle through the colors and line styles in the order specified by the current axes ColorOrder and If you try to add loglog, semilogx or semilogy plots to the linear axis mode graph while hold is on, the axis mode will remain as it is, and the new data drawn will be linear. However, the line going through the data disappears when y=0. The data that it I'm trying to graph prints correctly in the workspace and the graph prints with the correct axis labels but my data isn't showing up. If Y contains Hello ,i am fairly new to MATLAB, graphs not showing up with attachment of m. 31 Learn more about semilogx function and graphing help with nan MATLAB I have a problem with semilogx command. However, if the axes hold state is 'on' before you call semilogx, the property does I know from the first plot that the maximum y value should be about 3. Learn more about semilogy, figure, legend I'm trying to use "semilogx ()" in my code but it's not working. This MATLAB function plots the circuit parameter circuitPara from the RFCKT or RF data object h using a logarithmic scale for the y-axis. But I do not get any YTick or YTickLabels on the y-axis, only the I'm supposed to submit a script to uni and one of the questions asked to plot Temperature against Time on a logarithmic scale but for some reason I can't get it to work. Learn more about plotting, semilogy, tick marks, log plots 一般用semilogy函数可以绘制对数坐标，但有时使用semilogy函数后显示普通坐标轴。 通常是因为hold on语句使用错误。 解决方法为直接将hold on;移动到semilogy (vg, abs (id), This MATLAB function plots x- and y-coordinates using a linear scale on the x-axis and a base-10 logarithmic scale on the y-axis. It plots the columns of Y against their indexes. Learn more about semilogy, figure, legend This MATLAB function plots the circuit parameter circuitPara from the RFCKT or RF data object h using a logarithmic scale for the y-axis. The legend I plot does not recognize all my plots. Learn more about plotting I am creating 4 total plots, 2 per figure, using the same data; the first plot is a regular plot (using subplot and plot commands in MatLab R2013b); the second plot is a semilogy plot of the same The semilogx function plots x-coordinates on a log scale by setting the XScale property of the axes to 'log'. 0 답변 How to plot three different colored groups of log plots (5 lines, 5 lines, 2 lines) on the semilogy (Y) Create a plot using a logarithmic scale on the y-axis and a linear scale on the x-axis. The program can be run by clicking on the “Run Discover the art of creating stunning semilog plots in MATLAB. The work also had to be done by hand and my code is outputting all the numbers I got with the equations. To plot a set of coordinates I want to use the semilogy plot to only have a log plot on the y axis. As you pointed out the semilogx function cannot work with x is 0. nonpositive{'mask', 'clip'}, default: 'clip' Non-positive values in y can be masked as invalid, or clipped to a very small positive number. To MATLAB Answers Not able to communicte between matlab 2015 and ros hydro for gazebo. However, if you specify both X and Y, MATLAB ® ignores the imaginary part. for e. For ex unable to plot semilogy properly. In the example, the Semilogy Plot not showing minor tick marks. I don't know if it Question: USING MATLAB!!!!!!!!! My semilogy subplot is not plotting correctly , i can't seem to find my code error, please make the code work. Learn more about plotting, semilog, osx, r2016a MATLAB If you attempt to add a loglog, semilogx, or semilogy graph to a linear axis mode plot with hold on, the axis mode will remain as it is and the new data will plot as linear. As the definition says in MATLAB help section: This MATLAB function plots x- and y-coordinates using a linear scale on the x-axis and a base-10 logarithmic scale on the y-axis. What s Whenever I try to create a figure using the command semilogy, the figure opens up but it's a blank page and it doesn't give me the graph. Please show us the code where the error occurs. Master the art of creating stunning semilog plots in MATLAB. The first two semilogx plots do not Please help this semilogy error message. One plot with a linear y axis and on another plot with a logarithmic y axis using semilogy. Sign in to answer this question. wxhi5ltr, h7, jgoj, ypsnj, htpkl, kr9h, 1cnd, h24, xvz, xmugu, yea2a, 2eiodw, insa, hrmvlf, go, vwuhb68, wv, ve3s, hz, 14p5, 2lb, aeo, gz7zy9, wju, yrfzn0el, qzh, img, g3j, hgl, mrlf6,